12
2.4 Operating data
Burner pressures must be verified after a three minute boiler operation time
CTN 24 – RTN 24
Function
Max. heat
output (kW)
Min. heat
output (kW)
Heat
Input
(kW)
Nozzle
diametre
(mm)
min
max
Gas mains
pressure
(mbar)
Burner Pressure (mbar)
Methane Gas G 20
25.7
23.31
9.85
20
1.25
2.5
13.5
Butane Gas G 30
25.7
23.31
9.85
29
0.77
5.3
27.0
Propane Gas G 31
25.7
23.31
9.85
37
0.77
6.6
35.5
n°1 chart
Hot water supply
∆
T 45°C = 7.4 litre per minute
Hot water supply
∆
T 40°C = 8.4 litre per minute
Hot water supply
∆
T 35°C = 9.6 litre per minute
Hot water supply
∆
T 30°C = 11.1 litre per minute*
Hot water supply
∆
T 25°C = 13.4 litre per minute*
*mixed water to the tap
Hot water supply
∆
T 45°C = 7.6 litre per minute.
Hot water supply
∆
T 40°C = 8.5 litre per minute
Hot water supply
∆
T 35°C = 9.7 litre per minute
Hot water supply
∆
T 30°C = 11.4 litre per minute*
Hot water supply
∆
T 25°C = 13.6 litre per minute*
*mixed water to the tap
Methane Gas G 20
25.5
23.77
9.9
20
1.25
2.5
13.5
Buthane Gas G 30
25.5
23.77
9.9
29
0.77
5.3
27.0
Propane Gas G 31
25.5
23.77
9.9
37
0.77
6.6
35.5
CTFS 24 – RTFS 24
n° 2 chart
Function
Max. heat
output (kW)
Min. heat
output (kW)
Heat
Input
(kW)
Nozzle
diametre
(mm)
min
max
Gas mains
pressure
(mbar)
Burner Pressure (mbar)
CTFS 28 – RTFS 28
Methane Gas G 20
30.5
28.6
12,3
20
1.35
2.6
12.0
Butane Gas G 30
30.5
28.6
12,3
29
0.80
4.7
28.9
Propane Gas G 31
30.5
28.6
12,3
37
0.80
6.0
33.4
tabella 3
Hot water supply
∆
T 45°C = 9.1 litre per minute
Hot water supply
∆
T 40°C = 10.2 litre per minute*
Hot water supply
∆
T 35°C = 11.7 litre per minute*
Hot water supply
∆
T 30°C = 13.7 litre per minute*
Hot water supply
∆
T 25°C = 16.4 litre per minute*
*mixed water to the tap
Function
Max. heat
output (kW)
Min. heat
output (kW)
Heat
Input
(kW)
Nozzle
diametre
(mm)
min
max
Gas mains
pressure
(mbar)
Burner Pressure (mbar)
